13801886 has 16 divisors (see below), whose sum is σ = 24689664. Its totient is φ = 5657784.

The previous prime is 13801873. The next prime is 13801927. The reversal of 13801886 is 68810831.

13801886 = T₁₀₈₄ + T₁₀₈₅ + ... + T₁₁₀₆.

It is a happy number.

13801886 is a modest number, since divided by 1886 gives 138 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21110 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (1543104).

Almost surely, 2^13801886 is an apocalyptic number.

13801886 is a deficient number, since it is larger than the sum of its proper divisors (10887778).

13801886 is a wasteful number, since it uses less digits than its factorization.

13801886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42895.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 13801886 is about 3715.0889625956. The cubic root of 13801886 is about 239.8719571627.

The spelling of 13801886 in words is "thirteen million, eight hundred one thousand, eight hundred eighty-six".